In English -ise and -tion are called _____.
A. prefixes
B. suffixes
C. infixes
D. free morphemes
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Morphology is generally divided into two fields: the study of word-formation and the study of _____.
A. affixation
B. etymology(词源学)
C. inflection
D. root
The word TB is formed in the way of _____.
A. acronymy
B. clipping
C. initialism
D. blending
The stem of disagreements is _____.
A. agreement
B. agree
C. disagree
D. disagreement
A small set of conjunctions, prepositions and pronouns belongs to ____class, while the largest part of nouns, verbs, adjectives and adverbs belongs to ____class.